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NSR database version of May 21, 2024.

Search: Author = A.Lemasson

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2024KO04      Phys.Rev. C 109, L031301 (2024)

S.Koyama, D.Suzuki, M.Assie, L.Lalanne, O.Sorlin, T.Abe, D.Beaumel, Y.Blumenfeld, L.Caceres, F.De Oliveira Santos, F.Delaunay, F.Flavigny, S.Franchoo, J.Gibelin, V.Girard-Alcindor, J.Guillot, F.Hammache, O.Kamalou, A.Kamenyero, N.Kitamura, V.Lapoux, A.Lemasson, A.Matta, B.Mauss, P.Morfouace, M.Niikura, H.Otsu, J.Pancin, T.Roger, T.Y.Saito, H.Sakurai, C.Stodel, J-C.Thomas

Mirror symmetry at far edges of stability: The cases of 8C and 8He

doi: 10.1103/PhysRevC.109.L031301
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2023CH27      Phys.Rev. C 107, 064318 (2023)

S.Chakraborty, S.Bhattacharyya, R.Banik, S.Bhattacharya, G.Mukherjee, C.Bhattacharya, S.Biswas, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, A.Navin, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta

Search for the origin of wobbling motion in the A ≈ 130 region: The case of 131Xe

NUCLEAR REACTIONS 130Te(α, 3nγ), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 131Xe; deduced levels, J, π, δ, mixing ratios, polarization asymmetries, γ-rays deexcitation from the oriented states (DCO) ratio, intruder νh11/2 band structure, rotational bands, yrast bands, signature splittings, high-spin states. Comparison to triaxial particle rotor model (TPRM) and triaxial projected shell model (TPSM) calculations. Systematics of the bands structure, signature splittings - 127Xe, 131Xe, 133Ba, 135Ce. No experimental signatures of the wobbling excitation were found in the study. Seven Compton-suppressed clover HPGe detectors of the Indian National Gamma Array (INGA) at K-130 cyclotron of the Variable Energy Cyclotron Centre (VECC, Kolkata).

doi: 10.1103/PhysRevC.107.064318
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2023CL01      Phys.Rev. C 107, 014324 (2023)

E.Clement, A.Lemasson, M.Rejmund, B.Jacquot, D.Ralet, C.Michelagnoli, D.Barrientos, P.Bednarczyk, G.Benzoni, A.J.Boston, A.Bracco, B.Cederwall, M.Ciemala, J.Collado, F.Crespi, C.Domingo-Pardo, J.Dudouet, H.J.Eberth, G.de France, A.Gadea, V.Gonzalez, A.Gottardo, L.Harkness, H.Hess, A.Jungclaus, A.Kaskas, W.Korten, S.M.Lenzi, S.Leoni, J.Ljungvall, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, B.Quintana Arnes, F.Recchia, N.Redon, P.Reiter, M.D.Salsac, E.Sanchis, M.Senyigit, M.Siciliano, D.Sohler, O.Stezowski, C.Theisen, J.J.Valiente Dobon

Spectroscopic quadrupole moments in 124Xe

NUCLEAR REACTIONS W(124Xe, 124Xe), E=4.03, 4.11 MeV/nucleon; measured reaction products, recoil nuclei, Eγ, Iγ, γγ-coin. 124Xe; deduced levels, J, π, rotational bands, transition matrix elements, B(E2), spectroscopic quadrupole moments. Coulomb excitation analysis performed with GOSIA. Data confirms that O(6) symmetry is substantially broken in 124Xe and point on prolate axially deformed nature of the ground state band. Systematic of spectroscopic quadrupole moments for Sn, Te, Xe and Ba. VAMOS++ magnetic spectrometer with AGATA g-ray tracking array at GANIL.

doi: 10.1103/PhysRevC.107.014324
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2023LA09      Phys.Rev.Lett. 131, 092501 (2023)

L.Lalanne, O.Sorlin, A.Poves, M.Assie, F.Hammache, S.Koyama, D.Suzuki, F.Flavigny, V.Girard Alcindor, A.Lemasson, A.Matta, T.Roger, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, N.de Sereville, S.Franchoo, J.Gibelin, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, B.Mauss, P.Morfouace, J.Pancin, T.Y.Saito, C.Stodel, J.C.Thomas

N = 16 Magicity Revealed at the Proton Drip Line through the Study of 35Ca

NUCLEAR REACTIONS 1H(37Ca, t)35Ca, E=50 MeV/nucleon; measured reaction products; deduced atomic mass and first excited state energy, N=16 gap. Comparison with the state-of-the-art shell model calculations. The liquid hydrogen target CRYPTA, the LISE spectrometer at GANIL.

doi: 10.1103/PhysRevLett.131.092501
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2023LE07      Eur.Phys.J. A 59, 134 (2023)

A.Lemasson, J.Dudouet, M.Rejmund, J.Ljungvall, A.Gorgen, W.Korten

Advancements of γ-ray spectroscopy of isotopically identified fission fragments with AGATA and VAMOS++

doi: 10.1140/epja/s10050-023-01053-0
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2023PA40      Eur.Phys.J. A 59, 276 (2023)

G.Pasqualato, S.Ansari, J.S.Heines, V.Modamio, A.Gorgen, W.Korten, J.Ljungvall, E.Clement, J.Dudouet, A.Lemasson, T.R.Rodriguez, J.M.Allmond, T.Arici, K.S.Beckmann, A.M.Bruce, D.Doherty, A.Esmaylzadeh, E.R.Gamba, L.Gerhard, J.Gerl, G.Georgiev, D.P.Ivanova, J.Jolie, Y.-H.Kim, L.Knafla, A.Korichi, P.Koseoglou, M.Labiche, S.Lalkovski, T.Lauritsen, H.-J.Li, L.G.Pedersen, S.Pietri, D.Ralet, J.M.Regis, M.Rudigier, S.Saha, E.Sahin, S.Siem, P.Singh, P.-A.Soderstrom, C.Theisen, T.Tornyi, M.Vandebrouck, W.Witt, M.Zielinska, D.Barrientos, P.Bednarczyk, G.Benzoni, A.J.Boston, H.C.Boston, A.Bracco, B.Cederwall, M.Ciemala, G.de France, C.Domingo-Pardo, J.Eberth, A.Gadea, V.Gonzalez, A.Gottardo, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, S.M.Lenzi, S.Leoni, R.Menegazzo, D.Mengoni, C.Michelagnoli, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, K.Rezynkina, M.D.Salsac, E.Sanchis, M.Senyigit, M.Siciliano, J.Simpson, D.Sohler, O.Stezowski, J.J.Valiente-Dobon, D.Verney

Shape evolution in even-mass 98-104Zr isotopes via lifetime measurements using the γγ coincidence technique

NUCLEAR REACTIONS 9Be(238U, X)98Zr/100Zr/102Zr/104Zr, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin. 104Mo, 102Nb; deduced γ-ray energies and relative intensities, J, π, level T1/2, B(E2), shape coexistence. Comparison with calculated values. The Differential Decay Curve Method (DDCM), the Recoil Distance Doppler Shift technique. The magnetic spectrometer VAMOS++, GANIL, the Orsay Universal Plunger system.

doi: 10.1140/epja/s10050-023-01172-8
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2023RA02      Phys.Rev. C 107, L021601 (2023)

D.Ramos, M.Caamano, F.Farget, C.Rodriguez-Tajes, A.Lemasson, C.Schmitt, L.Audouin, J.Benlliure, E.Casarejos, E.Clement, D.Cortina, O.Delaune, X.Derkx, A.Dijon, D.Dore, B.Fernandez-Dominguez, G.de France, A.Heinz, B.Jacquot, C.Paradela, M.Rejmund, T.Roger, M.-D.Salsac

Experimental evidence of the effect of nuclear shells on fission dissipation and time

NUCLEAR REACTIONS 12C(238U, 238U), (238U, 239Np), (238U, 240Pu), E=6.14 MeV/nucleon; 240Pu, 239Np(n, F), E=thermal; analyzed experimental data on fission fragment production from 238U, 239Np and 240Pu; deduced average fission barrier, dissipation energy as a function of the fragment split, local even-odd staggering as a function of the fragment charge, the asymmetry of the split as the ratio between the light fragment charge and that of the fissioning system and the time to transfer unpaired protons. Pointed on effect of particular nuclear shells on the dissipation and fission dynamics.

doi: 10.1103/PhysRevC.107.L021601
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2023ST04      Eur.Phys.J. A 59, 119 (2023)

O.Stezowski, J.Dudouet, A.Goasduff, A.Korichi, Y.Aubert, M.Balogh, G.Baulieu, D.Bazzacco, S.Brambilla, D.Brugnara, N.Dosme, S.Elloumi, P.Gauron, X.Grave, J.Jacob, V.Lafage, A.Lemasson, E.Legay, P.Le Jeannic, J.Ljungvall, A.Matta, R.Molina, G.Philippon, M.Sedlak, M.Taurigna-Quere, N.Toniolo

Advancements in software developments

doi: 10.1140/epja/s10050-023-01025-4
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2023ZA06      Phys.Rev.Lett. 131, 262501 (2023)

I.Zanon, E.Clement, A.Goasduff, J.Menendez, T.Miyagi, M.Assie, M.Ciemala, F.Flavigny, A.Lemasson, A.Matta, D.Ramos, M.Rejmund, L.Achouri, D.Ackermann, D.Barrientos, D.Beaumel, G.Benzoni, A.J.Boston, H.C.Boston, S.Bottoni, A.Bracco, D.Brugnara, G.de France, N.de Sereville, F.Delaunay, P.Desesquelles, F.Didierjean, C.Domingo-Prato, J.Dudouet, J.Eberth, D.Fernandez, C.Fougeres, A.Gadea, F.Galtarossa, V.Girard-Alcindor, V.Gonzales, A.Gottardo, F.Hammache, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, A.Kaskas, Y.H.Kim, A.Kusoglu, M.Labiche, S.Leblond, C.Lenain, S.M.Lenzi, S.Leoni, H.Li, J.Ljungvall, J.Lois-Fuentes, A.Lopez-Martens, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, G.Pasqualato, Zs.Podolyak, A.Pullia, B.Quintana, F.Recchia, D.Regueira-Castro, P.Reiter, K.Rezynkina, J.S.Rojo, M.D.Salsac, E.Sanchis, M.Senyigit, M.Siciliano, D.Sohler, O.Stezowski, Ch.Theisen, A.Utepov, J.J.Valiente-Dobon, D.Verney, M.Zielinska

High-Precision Spectroscopy of 20O Benchmarking Ab Initio Calculations in Light Nuclei

NUCLEAR REACTIONS 2H(19O, p)20O, E=8 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2), B(M1). Comparison with theoretical USDB shell-model calculations and VS-IMSRG results obtained with three different Hamiltonians. Doppler shift attenuation method, the SPIRAL1 accelerator complex in GANIL.

doi: 10.1103/PhysRevLett.131.262501
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2022GI05      Phys.Rev. C 105, L051301 (2022)

V.Girard Alcindor, A.Mercenne, I.Stefan, F.de Oliveira Santos, N.Michel, M.Ploszajczak, M.Assie, A.Lemasson, E.Clement, F.Flavigny, A.Matta, D.Ramos, M.Rejmund, J.Dudouet, D.Ackermann, P.Adsley, M.Assuncao, B.Bastin, D.Beaumel, G.Benzoni, R.Borcea, A.J.Boston, D.Brugnara, L.Caceres, B.Cederwall, I.Celikovic, V.Chudoba, M.Ciemala, J.Collado, F.C.L.Crespi, G.D'Agata, G.De France, F.Delaunay, C.Diget, C.Domingo-Pardo, J.Eberth, C.Fougeres, S.Franchoo, F.Galtarossa, A.Georgiadou, J.Gibelin, S.Giraud, V.Gonzalez, N.Goyal, A.Gottardo, J.Goupil, S.Grevy, V.Guimaraes, F.Hammache, L.J.Harkness-Brennan, H.Hess, N.Jovancevic, D.S.Judson Oliver, O.Kamalou, A.Kamenyero, J.Kiener, W.Korten, S.Koyama, M.Labiche, L.Lalanne, V.Lapoux, S.Leblond, A.Lefevre, C.Lenain, S.Leoni, H.Li, A.Lopez-Martens, A.Maj, I.Matea, R.Menegazzo, D.Mengoni, A.Meyer, B.Million, B.Monteagudo, P.Morfouace, J.Mrazek, M.Niikura, J.Piot, Zs.Podolyak, C.Portail, A.Pullia, B.Quintana, F.Recchia, P.Reiter, K.Rezynkina, T.Roger, J.S.Rojo, F.Rotaru, M.D.Salsac, A.M.Sanchez-Benitez, E.Sanchis, M.Senyigit, N.de Sereville, M.Siciliano, J.Simpson, D.Sohler, O.Sorlin, M.Stanoiu, C.Stodel, D.Suzuki, C.Theisen, D.Thisse, J.C.Thomas, P.Ujic, J.J.Valiente-Dobon, M.Zielinska

New narrow resonances observed in the unbound nucleus 15F

NUCLEAR REACTIONS 1H(14O, p), E=7.64 MeV/nucleon; 1H(14O, 2p), E=7.42 MeV/nucleon; measured reaction products Ep, Ip, Eγ, Iγ, protons angular distributions, pp-coin, γγ-coin, pγ-coin; deduced σ(θ), resonances properties of 14O+p system - energy, spin and width, spectroscopic factors, major amplitudes of channels. 15F; deduced levels, J, π, configurations. Data has been analyzed and interpreted in the framework of the Gamow shell model (GSM) with the coupled-channel representation (GSMCC). Beam provided by SPIRAL1 facility (GANIL). Detectors: MUST2 (telescope composed of DSSD and CsI array) for (14O, p) reaction and MUGAST array (MUST2+VAMOS magnetic spectrometer+AGATA HPGE-array).

doi: 10.1103/PhysRevC.105.L051301
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2022JH01      Phys.Rev. C 106, 044607 (2022)

A.Jhingan, C.Schmitt, A.Lemasson, S.Biswas, Y.H.Kim, D.Ramos, A.N.Andreyev, D.Curien, M.Ciemala, E.Clement, O.Dorvaux, B.De Canditiis, F.Didierjean, G.Duchene, J.Dudouet, J.Frankland, G.Fremont, J.Goupil, B.Jacquot, C.Raison, D.Ralet, B.-M.Retailleau, L.Stuttge, I.Tsekhanovich, A.V.Andreev, S.Goriely, S.Hilaire, J.-F.Lemaitre, P.Moller, K.-H.Schmidt

178Hg and asymmetric fission of neutron-deficient pre-actinides

NUCLEAR REACTIONS 54Fe(124Xe, X)178Hg; E=4.3 MeV/nucleon; measured reaction products, fission fragments, (fragment)(fragment)-coin; deduced total kinetic energy distribution, post-neutron (after neutron emission) and pre-neutron (before emission) mass distribution. Comparison to other experimental data in particular with 180Hg and 178Pt fission. Obtained pre-neutron mass-distribution is compared with four different calculations: the dynamical Brownians%hape motion (BSM) model, the microscopic scission point model (SPY2), the improved macromicroscopic scission point model (SPM), and the semiempirical GEneral Fission (GEF) model. VAMOS++ heavy-ion magnetic spectrometer with new SEcond Detection (SED) arm for coincident pair fragment detection at GANIL.

doi: 10.1103/PhysRevC.106.044607
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2022LA10      Phys.Rev.Lett. 129, 122501 (2022)

L.Lalanne, O.Sorlin, A.Poves, M.Assie, F.Hammache, S.Koyama, D.Suzuki, F.Flavigny, V.Girard Alcindor, A.Lemasson, A.Matta, T.Roger, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, N.de Sereville, S.Franchoo, J.Gibelin, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, B.Mauss, P.Morfouace, M.Niikura, J.Pancin, T.Y.Saito, C.Stodel, J-C.Thomas

Structure of 36Ca under the Coulomb Magnifying Glass

NUCLEAR REACTIONS 1H(37Ca, d), (38Ca, t)36Ca, E≈50 MeV/nucleon, [37,38Ca secondary beams incident on CRYPTA hydrogen target from 9Be(40Ca, X), E=95 MeV/nucleon primary reaction, followed by separation of fragments using LISE3 spectrometer at GANIL facility]; measured outgoing 36Ca ions, E(d), I(d), E(t), I(t), (36Ca)(37Ca)-coin, (36Ca)(38Ca)-coin, (36Ca)d-coin, (36Ca)t-coin, (36Ca)p-coin, (36Ca)2p-coin, using zero-degree detection (ZDD) system for 36Ca, multiwire detectors CATS array for 37Ca, six MUST2 telescopes with double-sided Silicon strip detector (DSSSD) and 16 CsI crystals for deuterons, tritons and protons. 36Ca; deduced levels, proton resonances, J, π, 0+ as the first excited state, L-transfers, spectroscopic factors, configurations and their amplitudes, mirror energy differences (MEDs) of levels in 36Ca and 36S. DWBA analysis. Comparison with shell-model calculations with configuration interaction (SM CI) using the sd-pf valence space, and with previous experimental results. 34Ar, 35K; deduced levels from the 2p decay of 7.84-MeV level in 36Ca. Details of experimental and theoretical spectroscopic data provided in the Supplemental Material of the paper.

doi: 10.1103/PhysRevLett.129.122501
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2022LI49      Phys.Rev. C 106, 034304 (2022)

X.Liu, B.Cederwall, C.Qi, R.A.Wyss, O.Aktas, A.Ertoprak, W.Zhang, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, C.Theisen, M.Zielinska

Evidence for spherical-oblate shape coexistence in 87Tc

NUCLEAR REACTIONS 54Fe(36Ar, 2np)87Tc, E=115 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using AGATA array with 11 triple-cluster segmented HPGe detectors, DIAMANT array with 60 CsI(Tl) scintillators for protons, NEDA and NeutronWall arrays for neutrons with 54 and 42 organic liquid scintillator detectors at the GANIL facility. 87Tc; deduced levels, J, π, band-like structure, g.s. Jπ, intensity ratios in different channels, configurations, spherical behavior. Comparison with shell model and total Routhian surface calculations, and with their previous results reported in 2021Li40 (Phys. Rev. C 104, L021302).

doi: 10.1103/PhysRevC.106.034304
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2022PE15      Phys.Rev.Lett. 129, 112501 (2022)

R.M.Perez-Vidal, A.Gadea, C.Domingo-Pardo, A.Gargano, J.J.Valiente-Dobon, E.Clement, A.Lemasson, L.Coraggio, M.Siciliano, S.Szilner, M.Bast, T.Braunroth, J.Collado, A.Corina, A.Dewald, M.Doncel, J.Dudouet, G.de France, C.Fransen, V.Gonzalez, T.Huyuk, B.Jacquot, P.R.John, A.Jungclaus, Y.H.Kim, A.Korichi, M.Labiche, S.Lenzi, H.Li, J.Ljungvall, A.Lopez-Martens, D.Mengoni, C.Michelagnoli, C.Muller-Gatermann, D.R.Napoli, A.Navin, B.Quintana, D.Ramos, M.Rejmund, E.Sanchis, J.Simpson, O.Stezowski, D.Wilmsen, M.Zielinska, A.J.Boston, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, H.C.Boston, A.Bracco, B.Cederwall, D.M.Cullen, F.Didierjean, J.Eberth, A.Gottardo, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Kaskas, W.Korten, S.Leoni, R.Menegazzo, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, D.Ralet, F.Recchia, P.Reiter, K.Rezynkina, M.D.Salsac, M.Senyigit, D.Sohler, C.Theisen, D.Verney

Evidence of Partial Seniority Conservation in the πg9/2 Shell for the N=50 Isotones

NUCLEAR REACTIONS 92Mo(92Mo, X)90Zr/92Mo/94Ru, E=717 MeV; measured reaction products, Eγ, Iγ. 93Tc, 94Ru, 94Mo; deduced level energies, J, π, lifetimes, B(E2). Multinucleon transfer (MNT) reactions, the Grand Acce'le'rateur d'Ions Lourds (GANIL) laboratory, in Caen (France). The Advanced GAmma Tracking Array (AGATA). The Recoil Distance Doppler Shift (RDDS) technique.

doi: 10.1103/PhysRevLett.129.112501
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2022RE10      Phys.Rev. C 106, 014320 (2022)

K.Rezynkina, D.D.Dao, G.Duchene, J.Dudouet, F.Nowacki, E.Clement, A.Lemasson, C.Andreoiu, A.Astier, G.de Angelis, G.de France, C.Delafosse, I.Deloncle, F.Didierjean, Z.Dombradi, C.Ducoin, A.Gadea, A.Gottardo, D.Guinet, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, A.Korichi, S.M.Lenzi, G.Li, F.Le Blanc, C.Lizarazo, R.Lozeva, G.Maquart, B.Million, C.Michelagnoli, D.R.Napoli, A.Navin, R.M.Perez-Vidal, C.M.Petrache, N.Pietralla, D.Ralet, M.Ramdhane, M.Rejmund, O.Stezowski, C.Schmitt, D.Sohler, D.Verney

Structure of 83As, 85As, and 87As: From semimagicity to γ softness

NUCLEAR REACTIONS 9Be(238U, X)83As/85As/87As, E=6.2 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, γγ-coin using the VAMOS++ spectrometer for particle detection and AGATA array for γ radiation at GANIL facility. 83,85,87As; deduced levels, J, π, collectivity in a prolate deformed, γ-soft regime in the open shell nuclei. Comparison with shell-model calculations. Systematics of energies of 9/2+ states in 83,85,87,89As, 85,87,89,91Br, 87,89,91,93Rb, 89,91,93,95Y from experimental data and large-scale shell-model calculations.

NUCLEAR STRUCTURE 85,87As; calculated levels, J, π, potential energy surfaces (PES) in (β, γ) planes, wave functions amplitudes in K-quantum numbers. Large-scale shell-model calculations, SU3 symmetries, and beyond mean-field calculations.

doi: 10.1103/PhysRevC.106.014320
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2021AS10      Nucl.Instrum.Methods Phys.Res. A1014, 165743 (2021)

M.Assie, E.Clement, A.Lemasson, D.Ramos, A.Raggio, I.Zanon, F.Galtarossa, C.Lenain, J.Casal, F.Flavigny, A.Matta, D.Mengoni, D.Beaumel, Y.Blumenfeld, R.Borcea, D.Brugnara, W.Catford, F.de Oliveira, F.Delaunay, N.De Sereville, F.Didierjean, C.Aa.Diget, J.Dudouet, B.Fernandez-Dominguez, C.Fougeres, G.Fremont, V.Girard Alcindor, A.Giret, A.Goasduff, A.Gottardo, J.Goupil, F.Hammache, P.R.John, A.Korichi, L.Lalanne, S.Leblond, A.Lefevre, F.Legruel, L.Menager, B.Million, C.Nicolle, F.Noury, E.Rauly, K.Rezynkina, E.Rindel, J.S.Rojo, M.Siciliano, M.Stanoiu, I.Stefan, L.Vatrinet

The MUGAST-AGATA-VAMOS campaign: Set-up and performances

NUCLEAR REACTIONS 2H(16O, p), E=6 MeV/nucleon; 2H(19O, p), E not given; 7Li(15O, t), E not given; measured reaction products, Eγ, Iγ, γ-γ-γ-coin. 17,20O, 19Ne; deduced γ-ray energies, σ(θ) for the 1/2+ state in 17O. Correction from Doppler effect, VAMOS spectrometer, SPIRAL1 facility.

doi: 10.1016/j.nima.2021.165743
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2021CI02      Eur.Phys.J. A 57, 156 (2021)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.De France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.-H.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

NUCLEAR REACTIONS 181Ta(18O, X)17O/18O/19O/20O/24Mg/13C, E=126 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, lifetimes using a novel Monte Carlo technique. Doppler-shift, AGATA tracking array at GANIL.

doi: 10.1140/epja/s10050-021-00451-6
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2021FE09      Phys.Rev. C 104, 054316 (2021)

A.Fernandez, A.Jungclaus, P.Golubev, D.Rudolph, L.G.Sarmiento, A.Gargano, H.Naidja, A.Astier, E.Dupont, A.Gadea, E.Nacher, A.Perea, K.Wimmer, E.Clement, G.Fremont, J.Goupil, C.Houarner, B.Jacquot, A.Korichi, A.Lemasson, H.J.Li, J.Ljungvall, L.Menager, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, J.A.Ropert, F.Saillant, A.Saamark-Roth, G.S.Simpson, C.Spitaels, M.Zielinska, S.Ansari, J.Dudouet, A.Illana, M.Jurado, D.Kocheva, N.Lalovic, Ch.Lorenz, B.Quintana, G.Rainovski, N.Redon, G.Tocabens, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, A.Bracco, M.Ciemala, J.Collado, D.M.Cullen, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, W.Korten, S.Leoni, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, P.Reiter, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon

Reinterpretation of excited states in 212Po: Shell-model multiplets rather than α-cluster states

NUCLEAR REACTIONS 12C(208Pb, 212Po)8Be, E=1187 MeV; measured Eγ, Iγ, (particle)γ-coin, (particle)γγ-coin, γγ(linear polarization) using 35 36-fold segmented AGATA crystals arranged in 12 triple clusters for γ detection and double-sided silicon strip detector (DSSSD) for particle detection. 212Po; deduced levels, J, π, multipolarities, configurations, exclusive reaction cross sections. Comparisons with shell-model calculations, with structure of 148Gd, and with earlier experimental results. Discussed previous interpretation as α-cluster states.

NUCLEAR STRUCTURE 212Po; calculated levels, J, π, configurations, γ-ray branching ratios, B(M1), B(E2), wave-function decomposition for the yrast and yrare states using shell model with KHPE and H208 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.054316
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2021LA04      Phys.Rev. C 103, 055809 (2021)

L.Lalanne, O.Sorlin, M.Assie, F.Hammache, N.de Sereville, S.Koyama, D.Suzuki, F.Flavigny, D.Beaumel, Y.Blumenfeld, B.A.Brown, F.De Oliveira Santos, F.Delaunay, S.Franchoo, J.Gibelin, V.Girard Alcindor, J.Guillot, O.Kamalou, N.Kitamura, V.Lapoux, A.Lemasson, A.Matta, B.Mauss, P.Morfouace, M.Niikura, J.Pancin, A.Poves, T.Roger, T.Saito, C.Stodel, J-C.Thomas

Evaluation of thE 35K(p, γ)36Ca reaction rate using the 37Ca(p, d)36Ca transfer reaction

NUCLEAR REACTIONS 1H(37Ca, d)36Ca, E=48 MeV/nucleon, [secondary 37Ca beam from 9Be(40Ca, X), E=95 MeV/nucleon primary reaction, followed by separation of fragments of interest by using Bρ-ΔE-Bρ and TOF method using LISE3 spectrometer at GANIL facility, liquid hydrogen CRYPTA target; measured energies and angles of transfer-like nuclei by Z, and TOF using zero degree detection (ZDD) setup of ionization chamber and two drift chambers and six MUST2 telescopes, (36Ca)d- and (35K)d-coin, pd(θ), 36,37Ca, 34Ar; deduced mass excesses and compared with literature values. 36Ca; deduced levels, resonances J, π; calculated Γγ, Γp, resonance strengths. 35K(p, γ)36ca; calculated thermonuclear reaction rates at T=0.4-6 GK. 1H(37Ca, X)32S/33Cl/34Ar/35Ar/35K/36Ca/36K/37Ca, E=48 MeV/nucleon; measured yields of reaction products by energy loss vs TOF using ZDD ionization chamber, and CATS detector at GANIL.

doi: 10.1103/PhysRevC.103.055809
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2021LE19      Eur.Phys.J. A 57, 257 (2021)

X.Ledoux, J.C.Foy, J.E.Ducret, A.M.Frelin, D.Ramos, J.Mrazek, E.Simeckova, R.Behal, L.Caceres, V.Glagolev, B.Jacquot, A.Lemasson, J.Pancin, J.Piot, C.Stodel, M.Vandebrouck

First beams at neutrons for science

NUCLEAR REACTIONS 9Be(p, n), E=31.9 MeV; measured reaction products, En, In; deduced neutron yields. The neutrons for science facility (NFS), GANIL/SPIRAL-2 facility.

doi: 10.1140/epja/s10050-021-00565-x
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2021LI40      Phys.Rev. C 104, L021302 (2021)

X.Liu, B.Cederwall, C.Qi, R.A.Wyss, O.Aktas, A.Ertoprak, W.Zhang, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, C.Theisen, M.Zielinska

Evidence for enhanced neutron-proton correlations from the level structure of the N = Z + 1 nucleus 8743Tc44

NUCLEAR REACTIONS 54Fe(36Ar, 2np)87Tc, E=115 MeV; measured Eγ, Iγ, charged particles, (particle)g- and γγ-coin using AGATA array of 11 triple-cluster segmented HPGe detectors for γ rays and DIAMANT array of 60 CsI(Tl) scintillators for particles at the GANIL accelerator complex. 87Tc; deduced high-spin levels, J, π, rotational band, kinematic moments of inertia, alignment. Comparison with the structures of neighboring odd-mass N=44 and N=43 isotonic chains, and with shell-model calculations. Systematics of positive-parity yrast states in 83Y, 85Nb, 87,89,91,93Tc.

doi: 10.1103/PhysRevC.104.L021302
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2021SC09      Phys.Rev.Lett. 126, 132502 (2021)

C.Schmitt, A.Lemasson, K.-H.Schmidt, A.Jhingan, S.Biswas, Y.H.Kim, D.Ramos, A.N.Andreyev, D.Curien, M.Ciemala, E.Clement, O.Dorvaux, B.De Canditiis, F.Didierjean, G.Duchene, J.Dudouet, J.Frankland, B.Jacquot, C.Raison, D.Ralet, B.-M.Retailleau, L.Stuttge, I.Tsekhanovich

Experimental Evidence for Common Driving Effects in Low-Energy Fission from Sublead to Actinides

RADIOACTIVITY 178Hg(SF) [from 54Fe(124Xe, X)178Hg, E=4.3 MeV/nucleon]; measured fission fragments; deduced neutron multiplicities, isotopic distributions of fragments. Large acceptance magnetic spectrometer VAMOS++.

doi: 10.1103/PhysRevLett.126.132502
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2021SI26      Phys.Rev. C 104, 034320 (2021)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, T.R.Rodriguez, D.Bazzacco, G.Benzoni, T.Braunroth, N.Cieplicka-Orynczak, E.Clement, F.C.L.Crespi, G.de France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, H.Li, A.Lopez-Martens, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, B.Saygi, D.Sohler, S.Szilner, D.Testov

Lifetime measurements in the even-even 102-108Cd isotopes

NUCLEAR REACTIONS 92Mo(106Cd, 106Cd'), E=770 MeV; measured Eγ, Iγ, γγ-coin, level T1/2 by recoil-distance Doppler-shift (RDDS) method using the AGATA γ-ray spectrometer, VAMOS++ magnetic spectrometer, and Cologne plunger device at the GANIL facility. 102,104,106,108Cd; deduced levels, J, π, B(E2), B(M1). Comparison with beyond-mean-field calculations, and with previous experimental results for level half-lives. Systematics of the experimental B(E2) values for the first 2+ states in even-mass Cd and Sn isotopes.

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Cd; calculated energies and B(E2) of the first 2+ and 4+ states, potential energy surfaces (PES) in (β2, γ) plane using particle-number variation-after-projection (PNVAP) method, and collective wave functions (CWFs) contours for the first 2+ and 4+ states in (β2, γ) plane. 106Cd; calculated levels, J, π, collective wave functions (CWFs) contours in (β2, γ) plane. State-of-the-art beyond mean-field calculations using the symmetry-conserving configuration-mixing (SCCM) approach, and Gogny-D1S interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.034320
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2021WA19      Phys.Rev. C 103, 034301 (2021)

E.H.Wang, J.H.Hamilton, A.V.Ramayya, C.J.Zachary, A.Lemasson, A.Navin, M.Rejmund, S.Bhattacharyya, Q.B.Chen, S.Q.Zhang, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Pseudospin-doublet bands and Gallagher Moszkowski doublet bands in 100Y

RADIOACTIVITY 252Cf(SF); measured Eγ, γγγ-, and γγγγ-coin using Gammasphere array at LBNL. 100Y; deduced levels, J, π, bands, configurations.

NUCLEAR REACTIONS 9Be(238U, F)100Y, E=6.2 MeV/nucleon; measured Eγ, γγ-coin, A- and Z-gated γ spectra using VAMOS++ spectrometer and EXOGAM array at GANIL facility. 100Y; deduced high-spin levels, J, π, rotational bands, B(M1)/B(E2), configurations, moments of inertia plots. Comparison with particle-rotor model calculations.

NUCLEAR STRUCTURE 100Y; calculated potential-energy surface in the (β2, γ) plane, levels, J, π, bands, in-band B(M1), B(E2), B(M1)/B(E2), rms components of the angular momentum versus spin. Constrained triaxial covariant density-functional theory (CDFT) and quantal particle rotor model (PRM) calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.034301
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2021ZI01      Phys.Rev. C 104, L041301 (2021)

S.Ziliani, M.Ciemala, F.C.L.Crespi, S.Leoni, B.Fornal, T.Suzuki, T.Otsuka, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Complete set of bound negative-parity states in the neutron-rich nucleus 18N

NUCLEAR REACTIONS 181Ta(18O, X)18N, E=126 MeV; measured reaction products, A/Q versus ion charge Q identification plot using VAMOS++ spectrometer at GANIL accelerator facility, Doppler-corrected Eγ, Iγ, γγ-coin using the γ-tracking array AGATA. 18N; deduced levels, J, π, configurations. Comparison with shell-model calculations using YSOX interactions, and with previous experimental data.

NUCLEAR STRUCTURE 16,18N; calculated levels, J, π using shell-model with YSOX interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.L041301
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2020BA20      Phys.Rev. C 101, 044306 (2020)

R.Banik, S.Bhattacharyya, S.Biswas, S.Bhattacharya, G.Mukherjee, S.Rajbanshi, S.Dar, S.Nandi, S.Ali, S.Chatterjee, S.Das, S.Das Gupta, S.S.Ghugre, A.Goswami, A.Lemasson, D.Mondal, S.Mukhopadhyay, H.Pai, S.Pal, D.Pandit, R.Raut, P.Ray, M.Rejmund, S.Samanta

Revealing multiple band structures in 131Xe from α-induced reactions

NUCLEAR REACTIONS 130Te(α, 3n), E=38 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization) using INGA array of seven Compton suppressed clover HPGe detectors at VECC, Kolkata facility. 131Xe; deduced levels, J, π, multipolarities, band structures, configurations, alignments, staggering parameter, triaxial shape; calculated total Routhian surfaces using Strutinski shell correction method. Systematics of low-lying level energies and staggering parameters in 125,127,129,131,133,135Xe, 133Ba, 135Ce.

doi: 10.1103/PhysRevC.101.044306
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2020BA52      Phys.Rev. C 102, 044329 (2020)

R.Banik, S.Bhattacharyya, M.Rejmund, A.Lemasson, S.Biswas, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, P.Bednarczyk, S.Bhattacharya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, G.Mukherjee, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt

High-spin states above the isomers in neutron-rich iodine nuclei near N = 82

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments using the VAMOS++ magnetic spectrometer and dual position-sensitive multiwire proportional counter (DPS-MWPC) at GANIL, Eγ, Iγ, prompt γγ-coin, (prompt γ)(delayed γ)-coin, (delayed γ)(delayed γ)-coin, half-lives of the isomers in 131I, 132I and 133I by γ(t) using AGATA array with 32 segmented HPGe detectors and seven EXOGAM segmented clover detectors for γ detection. 130,131,132,133,134I; deduced high-spin levels, J, π, isomers, configurations. Comparisons with large-scale shell-model calculations using the code NUSHELLX. Systematics of experimental energy differences for the lowest states in odd-N isotopes of Sn, Sb, Te and I.

NUCLEAR STRUCTURE 130,131,132,133,134I; calculated levels, J, π, probability of neutron hole occupancies in the νh11/2 orbital as a function of the total spin of negative parity states, and average spin contributions of proton and neutrons to the total spin of the negative parity states using large-scale shell-model calculations with the code NUSHELLX. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.044329
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2020BI06      Phys.Rev. C 102, 014326 (2020)

S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert

Prompt-delayed γ-ray spectroscopy of neutron-rich 119, 121In isotopes

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, fission fragments, (fragment)γ-coin, half-lives of isomers by γ(t) using AGATA and EXOGAM detector arrays for prompt and delayed γ detection and the VAMOS++ spectrometer for fission fragment identification at GANIL. 119,121In; deduced high-spin levels, J, π, configurations, B(E2). Comparison with large-scale shell-model calculations. Systematics of B(E2) values for 25/2+ to 21/2+ transitions in odd-A In isotopes.

NUCLEAR STRUCTURE 119,121,123,125,127,129In, 121,123,125,127,129,131Sb; calculated high-spin levels, J, π, probabilities for the neutron angular momentum and neutron seniority using large-scale shell-model.

doi: 10.1103/PhysRevC.102.014326
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2020CE01      Phys.Rev.Lett. 124, 062501 (2020)

B.Cederwall, X.Liu, O.Aktas, A.Ertoprak, W.Zhang, C.Qi, E.Clement, G.de France, D.Ralet, A.Gadea, A.Goasduff, G.Jaworski, I.Kuti, B.M.Nyako, J.Nyberg, M.Palacz, R.Wadsworth, J.J.Valiente-Dobon, H.Al-Azri, A.Atac Nyberg, T.Back, G.de Angelis, M.Doncel, J.Dudouet, A.Gottardo, M.Jurado, J.Ljungvall, D.Mengoni, D.R.Napoli, C.M.Petrache, D.Sohler, J.Timar, D.Barrientos, P.Bednarczyk, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, L.Charles, M.Ciemala, F.C.L.Crespi, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Eberth, N.Erduran, S.Erturk, V.Gonzalez, J.Goupil, H.Hess, T.Huyuk, A.Jungclaus, W.Korten, A.Lemasson, S.Leoni, A.Maj, R.Menegazzo, B.Million, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, J.Simpson, O.Stezowski, Ch.Theisen, M.Zielinska

Isospin Properties of Nuclear Pair Correlations from the Level Structure of the Self-Conjugate Nucleus 88Ru

NUCLEAR REACTIONS 54Fe(36Ar, 2n), E=115 MeV; measured Eγ, Iγ, (neutron)γ-, (charged particle)γ-, γγ-coin. 88Ru; deduced levels, J, π, yrast band, moment of inertia. Comparison with neighboring isotopes and cranked shell model calculations. AGATA, DIAMANT, and NEDA arrays.

doi: 10.1103/PhysRevLett.124.062501
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2020CI02      Phys.Rev. C 101, 021303 (2020)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis

Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O

NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.

doi: 10.1103/PhysRevC.101.021303
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2020GO14      Phys.Rev. C 102, 054334 (2020)

A.Goldkuhle, A.Blazhev, C.Fransen, A.Dewald, M.Beckers, B.Birkenbach, T.Braunroth, E.Clement, J.Dudouet, J.Eberth, H.Hess, B.Jacquot, J.Jolie, Y.-H.Kim, A.Lemasson, S.M.Lenzi, H.J.Li, J.Litzinger, C.Michelagnoli, C.Muller-Gatermann, B.S.Nara Singh, R.M.Perez-Vidal, D.Ralet, P.Reiter, A.Vogt, N.Warr, K.O.Zell

Lifetime measurements of excited states in neutron-rich 53Ti: Benchmarking effective shell-model interactions

NUCLEAR REACTIONS 50Ti(238U, X)53Ti, E=1608.9 MeV; measured reaction products using VAMOS++ spectrometer at GANIL, Eγ, Iγ, (particle)γ-coin, half-lives of levels by recoil-distance Doppler shift (RDDS) and differential decay Curve method (DDCM) using AGATA array of 29, 36-fold segmented HPGe crystals. 53Ti; deduced levels, J, π, B(M1), B(E2), configurations. Comparison with shell-model calculations using interactions in the fp shell, and with previous available experimental data.

NUCLEAR STRUCTURE 53Ti; calculated levels, J, π, neutron configurations of selected states, B(M1), B(E2) using shell-model and KB3G, GXPF1A, GXPF1B, and FPD6 interactions in the fp shell. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.054334
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2020JO06      Phys.Rev. C 102, 024321 (2020)

S.Jongile, A.Lemasson, O.Sorlin, M.Wiedeking, P.Papka, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, A.Mutschler, F.Nowacki, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer

Structure of 33Si and the magicity of the N=20 gap at Z=14

NUCLEAR REACTIONS 9Be(34Si, 33Si), E=98.5 MeV/nucleon, [34Si secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation of fragments using the A1900 fragment separator at the NSCL-MSU facility]; measured reaction residues using the S800 spectrograph, Eγ, Iγ, (33Si)γ-coin using the GRETINA array for γ detection, momentum distributions. 33Si; deduced levels, J, π, L-transfers in one-nucleon knockout reactions, population fractions, partial cross sections of final states, spectroscopic factors. Comparison with shell-model calculations with SDPF-U-MIX interaction, and with previous experimental results.

doi: 10.1103/PhysRevC.102.024321
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2020MI03      Acta Phys.Pol. B51, 837 (2020)

T.Milanovic, I.Celikovic, C.Michelagnoli, G.De France, A.Boso, T.Braunroth, E.Clement, A.Dewald, G.Georgiev, E.Ideguchi, B.Jacquot, W.Krolas, D.Napoli, N.Lalovic, K.Y.Lee, A.Lemasson, H.Li, J.Ljungvall, A.Navin, A.Nori, R.Perez-Vidal, M.Rejmund, P.Ujic, D.Wilmsen, Y.Yaamoto, M.Zielinska

Lifetime Measurements of Low-lying States in 73Ga and 70, 72, 74Zn Isotopes

doi: 10.5506/APhysPolB.51.837
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2020RA05      Phys.Rev. C 101, 034609 (2020)

D.Ramos, M.Caamano, A.Lemasson, M.Rejmund, H.Alvarez-Pol, L.Audouin, J.D.Frankland, B.Fernandez-Dominguez, E.Galiana-Baldo, J.Piot, C.Schmitt, D.Ackermann, S.Biswas, E.Clement, D.Durand, F.Farget, M.O.Fregeau, D.Galaviz, A.Heinz, A.Henriques, B.Jacquot, B.Jurado, Y.H.Kim, P.Morfouace, D.Ralet, T.Roger, P.Teubig, I.Tsekhanovich

Scission configuration of 239U from yields and kinetic information of fission fragments

NUCLEAR REACTIONS 9Be(238U, 239U)8Be, E=5.88 MeV/nucleon; measured fission fragments of 239U, α-α coin using a double-sided segmented silicon telescope SPIDER, mass and charge distribution of fission fragments, yields of fission fragment using VAMOS++ spectrometer at GANIL; deduced fragment velocity and kinetic energy, fragment neutron excess and multiplicity, average total kinetic energy of fission fragments, total excitation energy and elongation at scission. Comparison with evaluated data in ENDF/B-VIII.0, with predictions of GEF code, and with similar observables from the fission of 240Pu.

doi: 10.1103/PhysRevC.101.034609
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2020SI10      Phys.Lett. B 806, 135474 (2020)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, F.Nowacki, A.P.Zuker, D.Bazzacco, A.Lopez-Martens, E.Clement, G.Benzoni, T.Braunroth, F.C.L.Crespi, N.Cieplicka-Orynczak, M.Doncel, S.Erturk, G.de France, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, B.Saygi, D.Sohler, S.Szilner, D.Testov, M.Zielinska, D.Barrientos, B.Birkenbach, H.C.Boston, A.J.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, F.J.Egea Canet, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, S.Leoni, H.Li, A.Maj, R.Menegazzo, B.Million, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen

Pairing-quadrupole interplay in the neutron-deficient tin nuclei: First lifetime measurements of low-lying states in 106, 108Sn

NUCLEAR REACTIONS 92Mo(106Cd, X)106Sn/108Sn, E=770 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, lifetimes, B(E2), B(E4). Differential plunger device.

doi: 10.1016/j.physletb.2020.135474
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2019BI04      Phys.Rev. C 99, 064302 (2019)

S.Biswas, A.Lemasson, M.Rejmund, A.Navin, Y.H.Kim, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.de France, P.Fallon, G.Fremont, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, B.Million, D.R.Napoli, A.Pullia, B.Quintana, D.Ralet, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

Effects of one valence proton on seniority and angular momentum of neutrons in neutron-rich 122-13151Sb isotopes

NUCLEAR REACTIONS 9Be(238U, F)122Sb/123Sb/124Sb/125Sb/126Sb/127Sb/128Sb/129Sb/130Sb/131Sb, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ- and (fragment)γ-coin, T1/2 of isomers by γγ(t) using the VAMOS++ spectrometer for fragment identification and the AGATA array with EXOGAM detectors for γ detection at GANIL. 122,123,124,125,126,127,128,129,130,131Sb; deduced levels, J, π, isomers, bands, and B(E2). Systematics of excitation energies and B(E2) values in 118,119,120,121,122,123,124,125,126,127,128,129,130Sn, 121,122,123,124,125,126,127,128,129,130,131Sb. Comparison with shell model calculations. Discussed neutron-neutron and neutron-proton interactions, and neutron seniority mixings.

doi: 10.1103/PhysRevC.99.064302
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2019CI08      Acta Phys.Pol. B50, 615 (2019)

M.Ciemala, S.Ziliani, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Millon, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, B.Sowicki, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zielinska, M.Zieblinski

Determination of Lifetimes of Excited States in Neutron-rich 20O Isotope from Experiment with the AGATA+PARIS+VAMOS Setup

NUCLEAR REACTIONS 181Ta(18O, 20O), E=126 MeV; measured reaction products, Eγ, Iγ. 20O; deduced γ-ray energies, J, π. VAMOS spectrome ter at the GANIL laboratory.

doi: 10.5506/aphyspolb.50.615
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2019DE32      Acta Phys.Pol. B50, 633 (2019)

C.Delafosse, D.Verney, A.Gottardo, F.Ibrahim, S.Franchoo, I.Matea, L.Olivier, C.Portail, E.Clement, A.Lemasson, C.Michelagnoli, M.Babo, B.Jacquot, A.Goasduff, D.R.Napoli, J.Ljungvall, A.Korichi, G.Georgiev, T.Konstantinopoulos, S.M.Lenzi, A.Boso, D.Mengoni, F.Recchia, C.Andreoiu, F.Didierjean, J.Dudouet, G.Maquart, N.Redon, O.Stezowski, A.Gadea, R.M.Perez-Vidal, M.Zielinska

Lifetime Measurements Using RDDS Method in the Vicinity of 78Ni

NUCLEAR REACTIONS 9Be(238U, F)86Se/88Kr, E=6.2 MeV/nucleon;measured fission fragments, ToF, Eγ, Iγ, γ(θ), γγ-coin, (fragment)γ-coin .86Se, 88Kr; deduced levels, J, π, B(E2), B(M1), T1/2 using Recoil Distance Doppler Shift (RDDS) technique. Comparison with shell model (SM:Ni78-II) andmean-field (HFB-5DCH) calculations. AGATA array coupled with VAMOS++ spectrometer.

doi: 10.5506/aphyspolb.50.633
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2019DU18      Phys.Rev. C 100, 011301 (2019)

J.Dudouet, A.Lemasson, G.Maquart, F.Nowacki, D.Verney, M.Rejmund, G.Duchene, O.Stezowski, E.Clement, C.Michelagnoli, A.Korichi, C.Andreoiu, A.Astier, G.de Angelis, G.de France, C.Delafosse, I.Deloncle, F.Didierjean, Z.Dombradi, C.Ducoin, A.Gadea, A.Gottardo, D.Guinet, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, F.Le Blanc, S.M.Lenzi, G.Li, R.Lozeva, B.Million, D.R.Napoli, A.Navin, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, M.Ramdhane, N.Redon, C.Schmitt, D.Sohler

Excitations of the magic N=50 neutron-core revealed in 81Ga

NUCLEAR REACTIONS 9Be(238U, F)72Ga/73Ga/74Ga/75Ga/76Ga/77Ga/78Ga/79Ga/80Ga/81Ga/82Ga/83Ga/81Ge/81As/81Se, E=6.2 MeV/nucleon; measured yields of fission fragments, Eγ, Iγ, (fragment)γ- and γγ-coin using the VAMOS++ spectrometer for fragment identification and AGATA array for γ detection at GANIL. 81Ga; deduced high-spin levels, J, π. Systematics of shell gap in N=50 isotones: 78Ni, 79Cu, 80Zn, 81Ga, 82Ge, 83As, 84Se. Comparison with state-of-the-art large-scale shell model (LSSM) calculations.

NUCLEAR STRUCTURE 78Ni, 81Ga; calculated levels, J, π and decomposition of the wave functions for states in the two nuclide. Large-scale shell model (LSSM) calculations.

doi: 10.1103/PhysRevC.100.011301
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2019RA23      Phys.Rev.Lett. 123, 092503 (2019)

D.Ramos, M.Caamano, A.Lemasson, M.Rejmund, L.Audouin, H.Alvarez-Pol, J.D.Frankland, B.Fernandez-Dominguez, E.Galiana-Baldo, J.Piot, D.Ackermann, S.Biswas, E.Clement, D.Durand, F.Farget, M.O.Fregeau, D.Galaviz, A.Heinz, A.I.Henriques, B.Jacquot, B.Jurado, Y.H.Kim, P.Morfouace, D.Ralet, T.Roger, C.Schmitt, P.Teubig, I.Tsekhanovich

First Direct Measurement of Isotopic Fission-Fragment Yields of 239U

NUCLEAR REACTIONS 9Be(238U, 8Be)239U, E=5.88 MeV/nucleon; measured fission products, Eα, Iα; deduced isotopic fission yields of 239U.

doi: 10.1103/PhysRevLett.123.092503
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2019RA28      Phys.Lett. B 797, 134797 (2019)

D.Ralet, E.Clement, G.Georgiev, A.E.Stuchbery, M.Rejmund, P.Van Isacker, G.de France, A.Lemasson, J.Ljungvall, C.Michelagnoli, A.Navin, D.L.Balabanski, L.Atanasova, A.Blazhev, G.Bocchi, R.Carroll, J.Dudouet, E.Dupont, B.Fornal, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, R.Lozeva, A.Maj, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Wilmsen, D.Yordanov, D.Barrientos, P.Bednarczyk, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, B.Cederwall, M.Ciemala, J.Collado, F.Crespi, D.Cullen, H.J.Eberth, J.Goupil, L.Harkness, H.Hess, A.Jungclaus, W.Korten, M.Labiche, R.Menegazzo, D.Mengoni, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, B.Quintana Arnes, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, C.Theisen, J.J.Valiente Dobon, O.Wieland

Evidence of octupole-phonons at high spin in 207Pb

NUCLEAR REACTIONS 100Mo(208Pb, 207Pb), E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ. 207Pb; deduced γ-ray energies, T1/2, B(E3) for 19/2- state. Recoil Distance Doppler-Shift (RDDS) method.

doi: 10.1016/j.physletb.2019.134797
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2019ZI02      Acta Phys.Pol. B50, 625 (2019)

S.Ziliani, M.Ciemala, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Million, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zieblinski

Spectroscopy of Neutron-rich C, O, N and F Isotopes with the AGATA+PARIS+VAMOS Setup at GANIL

NUCLEAR REACTIONS 181Ta(18O, 18O'), E=126 MeV; measured reaction products, Eγ, Iγ. 18O; deduced T1/2 of excited states in neutron-rich ions. AGATA detector.

doi: 10.5506/aphyspolb.50.625
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2018BH07      Phys.Rev. C 98, 044316 (2018)

S.Bhattacharyya, E.H.Wang, A.Navin, M.Rejmund, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.Lemasson, A.V.Afanasjev, S.Bhattacharya, J.Ranger, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot, Y.X.Luo, Yu.Ts.Oganessian, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu

Deformed band structures in neutron-rich 152-158Pm isotopes

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments, time of flight, Eγ, Iγ, γγ- and (fragment)γ-coin using the VAMOS++ magnetic spectrometer for fragment separation and the EXOGAM segmented Clover array for γ detection at GANIL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, J, π, bands, alignment and staggering plots. 151Pm; measured γ spectrum in coincidence with fission fragments. Systematics of band structures in 151,153,155,157Pm. Comparison with previous experimental values and cranked Hartree-Bogoliubov calculations.

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γ(θ), high-fold γγ-coin using Gammasphere array with 101 HPGe detectors at LBNL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, bands.

doi: 10.1103/PhysRevC.98.044316
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2018DE35      Phys.Rev.Lett. 121, 192502 (2018)

C.Delafosse, D.Verney, P.Marevic, A.Gottardo, C.Michelagnoli, A.Lemasson, A.Goasduff, J.Ljungvall, E.Clement, A.Korichi, G.De Angelis, C.Andreoiu, M.Babo, A.Boso, F.Didierjean, J.Dudouet, S.Franchoo, A.Gadea, G.Georgiev, F.Ibrahim, B.Jacquot, T.Konstantinopoulos, S.M.Lenzi, G.Maquart, I.Matea, D.Mengoni, D.R.Napoli, T.Niksic, L.Olivier, R.M.Perez-Vidal, C.Portail, F.Recchia, N.Redon, M.Siciliano, I.Stefan, O.Stezowski, D.Vretenar, M.Zielinska, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, B.Cederwall, L.Charles, M.Ciemala, J.Collado, D.M.Cullen, P.Desesquelles, G.de France, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, A.Lefevre, F.Legruel, R.Menegazzo, B.Million, J.Nyberg, B.Quintana, D.Ralet, P.Reiter, F.Saillant, E.Sanchis, Ch.Theisen, J.J.Valiente Dobon

Pseudospin Symmetry and Microscopic Origin of Shape Coexistence in the 78Ni Region: A Hint from Lifetime Measurements

NUCLEAR REACTIONS 9Be(238U, X)88Kr/86Se/84Ge, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level lifetimes, B(E2) values. Comparison with available data. Recoil-distance Doppler shift method.

doi: 10.1103/PhysRevLett.121.192502
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2018KI03      Phys.Rev. C 97, 041302 (2018)

Y.H.Kim, M.Rejmund, P.Van Isacker, A.Lemasson

Generic features of the neutron-proton interaction

NUCLEAR STRUCTURE 96,128Cd, 124Pd, 212Po; calculated νν-, ππ-, and νπ two-body matrix elements (TBME), energies of yrast eigenstates for two neutrons and two protons for 128Cd, and for four neutrons and four protons for 124Pd, squares of the components of eigenstates using jj45pna, surface delta (SDI), and quadrupole interactions. Discussed low-energy yrast spectroscopy of nuclei dominated by fully aligned νπ pairs (FAPs), with the valence nucleons occupying high-J orbitals.

doi: 10.1103/PhysRevC.97.041302
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2018MO30      Phys.Lett. B 787, 198 (2018)

C.Morse, H.Iwasaki, A.Lemasson, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer

Lifetime measurement of the 2+1 state in 74Rb and isospin properties of quadrupole transition strengths at N=Z

NUCLEAR REACTIONS 9Be(74Kr, 74Rb), E=93 MeV/nucleon; measured reaction products, Eγ, Iγ. 74Rb; deduced γ-ray energies, J, π, level lifetimes, B(E2). Recoil Distance Doppler Shift (RDDS) technique.

doi: 10.1016/j.physletb.2018.10.064
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2017DU05      Phys.Rev.Lett. 118, 162501 (2017)

J.Dudouet, A.Lemasson, G.Duchene, M.Rejmund, E.Clement, C.Michelagnoli, F.Didierjean, A.Korichi, G.Maquart, O.Stezowski, C.Lizarazo, R.M.Perez-Vidal, C.Andreoiu, G.de Angelis, A.Astier, C.Delafosse, I.Deloncle, Z.Dombradi, G.de France, A.Gadea, A.Gottardo, B.Jacquot, P.Jones, T.Konstantinopoulos, I.Kuti, F.Le Blanc, S.M.Lenzi, G.Li, R.Lozeva, B.Million, D.R.Napoli, A.Navin, C.M.Petrache, N.Pietralla, D.Ralet, M.Ramdhane, N.Redon, C.Schmitt, D.Sohler, D.Verney, D.Barrientos, B.Birkenbach, I.Burrows, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo Pardo, V.Gonzalez, L.Harkness-Brennan, H.Hess, D.S.Judson, M.Karolak, W.Korten, M.Labiche, J.Ljungvall, R.Menegazzo, D.Mengoni, A.Pullia, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, Ch.Theisen, J.J.Valiente-Dobon, M.Zielinska

9636Kr60-Low-Z Boundary of the Island of Deformation at N=60

NUCLEAR REACTIONS 9Be(238U, X)96Kr, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, R4/2. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.118.162501
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2017KI08      Phys.Lett. B 772, 403 (2017)

Y.H.Kim, S.Biswas, M.Rejmund, A.Navin, A.Lemasson, S.Bhattacharyya, M.Caamano, E.Clement, G.de France, B.Jacquot

The impact of the intruder orbitals on the structure of neutron-rich Ag isotopes

NUCLEAR REACTIONS 9Be(238U, X)113Ag/118Ag/119Ag/120Ag/121Ag, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level diagram of the yrast bands, J, π, signature splitting for the yrast band of Ag isotopes. Comparison with calculations.

doi: 10.1016/j.physletb.2017.06.058
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2017KI09      Eur.Phys.J. A 53, 162 (2017)

Y.H.Kim, A.Lemasson, M.Rejmund, A.Navin, S.Biswas, C.Michelagnoli, I.Stefan, R.Banik, P.Bednarczyk, S.Bhattacharya, S.Bhattacharyya, E.Clement, H.L.Crawford, G.De France, P.Fallon, J.Goupil, B.Jacquot, H.J.Li, J.Ljungvall, A.O.Macchiavelli, A.Maj, L.Menager, V.Morel, R.Palit, R.M.Perez-Vidal, J.Ropert, C.Schmitt

Prompt-delayed γ-ray spectroscopy with AGATA, EXOGAM and VAMOS++

NUCLEAR REACTIONS 9Be(238U, f), (238U, x), E=6.2 MeV/nucleon; measured fission fragments using VAMOS++ spectrometer (MWPC ToF, 2 drift chambers, segmented ionization chamber), prompt Eγ, Iγ, γγ-coin using AGATA γ-ray tracking array, delayed Eγ, Iγ using EXOGAM HPGe Clover detectors; deduced event correlations between AGATA, VAMOS++ and EXOGAM, fragment mass distributions, deduced tracked Doppler corrected γ-ray spectra. 132Te; deduced levels, J, π, isomeric transitions to demonstrate the performance of the new setup. 94Y, 122,124Sn, 132,134Te; deduced isomeric transitions T1/2.

doi: 10.1140/epja/i2017-12353-y
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2017KL01      Phys.Rev. C 95, 024312 (2017)

M.Klintefjord, J.Ljungvall, A.Gorgen, S.M.Lenzi, F.L.Bello Garrote, A.Blazhev, E.Clement, G.de France, J.-P.Delaroche, P.Desesquelles, A.Dewald, D.T.Doherty, C.Fransen, A.Gengelbach, G.Georgiev, M.Girod, A.Goasduff, A.Gottardo, K.Hadynska-Klek, B.Jacquot, T.Konstantinopoulos, A.Korichi, A.Lemasson, J.Libert, A.Lopez-Martens, C.Michelagnoli, A.Navin, J.Nyberg, R.M.Perez-Vidal, S.Roccia, E.Sahin, I.Stefan, A.E.Stuchbery, M.Zielinska, D.Barrientos, B.Birkenbach, A.Boston, L.Charles, M.Ciemala, J.Dudouet, J.Eberth, A.Gadea, V.Gonzalez, L.Harkness-Brennan, H.Hess, A.Jungclaus, W.Korten, R.Menegazzo, D.Mengoni, B.Million, A.Pullia, D.Ralet, F.Recchia, P.Reiter, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente Dobon

Measurement of lifetimes in 62, 64Fe, 61, 63Co, and 59Mn

NUCLEAR REACTIONS 64Ni(238U, X), E=6.5 MeV/nucleon; measured ΔE-E energy spectrum for target-like reaction products, mass-over-charge ratio of the ions from TOF, Eγ, Iγ, (recoil ions)γ-coin, level half-lives using recoil distance Doppler shift (RDDS) method using large-acceptance variable mode spectrometer VAMOS++, and AGATA array, and Orsay universal plunger system (OUPS) at GANIL facility. 62,64Fe, 61,63Co, 59Mn; deduced levels, J, π, B(E2). Comparison with previous experimental results, with large-scale shell-model calculations, and with beyond-mean-field CHFB+5DCH calculations using Gogny D1S interaction.

doi: 10.1103/PhysRevC.95.024312
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2017MU05      Nat.Phys. 13, 152 (2017)

A.Mutschler, A.Lemasson, O.Sorlin, D.Bazin, C.Borcea, R.Borcea, Z.Dombradi, J.-P.Ebran, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, D.Sohler, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer

A proton density bubble in the doubly magic 34Si nucleus

NUCLEAR REACTIONS 9Be(34Si, p)33Al, E<140 MeV/nucleon; measured reaction products, Eγ, Iγ. 34Si; deduced γ-ray energies, parallel momentum distributions of the strongest populated states, neutron and proton density distributions. Comparison with available data.

doi: 10.1038/nphys3916
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2017NA04      Phys.Lett. B 767, 480 (2017)

A.Navin, M.Rejmund, S.Bhattacharyya, R.Palit, G.H.Bhat, J.A.Sheikh, A.Lemasson, S.Bhattacharya, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Evolution of triaxial shapes at large isospin: Rh isotopes

NUCLEAR REACTIONS 9Be(238U, X)114Rh/115Rh/116Rh/117Rh/118Rh/119Rh, E=6.2 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level energies, J, π, energy signature splitting. Comparison with the Triaxial Projected Shell Model (TPSM) calculations.

doi: 10.1016/j.physletb.2016.11.020
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2017ON01      Phys.Rev. C 95, 055806 (2017)

W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Low-lying level structure of 56Cu and its implications for the rp process

NUCLEAR REACTIONS 2H(56Ni, 56Cu), E AP 75 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (56Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. 56Cu; deduced levels, J, π. Comparison with mirror nucleus 56Co level scheme, and with shell-model calculations 55Ni(p, γ)56Cu, T9=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around 56Ni.

NUCLEAR STRUCTURE 56Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.055806
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2017PA02      Phys.Rev.Lett. 118, 052501 (2017)

J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer

Isomeric Character of the Lowest Observed 4+ State in 44S

NUCLEAR REACTIONS Be(46Ar, 2p)44S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). Plunger apparatus at GRETINA.

doi: 10.1103/PhysRevLett.118.052501
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2017RA09      Phys.Scr. 92, 054004 (2017)

D.Ralet, G.Georgiev, A.E.Stuchbery, E.Cement, A.Lemasson, C.Michelagnoli, M.Rejmund, L.Atanasova, D.L.Balabanski, G.Bocchi, R.Carroll, A.Dewald, J.Dudouet, B.Fornal, G.de France, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, B.Jacquot, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, J.Ljungvall, R.Lozeva, A.Maj, A.Navin, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Yordanov

Toward lifetime and g factor measurements of short-lived states in the vicinity of 208Pb

NUCLEAR REACTIONS 100Mo(208Pb, X)206Pb/207Pb/208Pb, E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies. Preliminary data for the lifetime measurements with Cologne plunger device.

doi: 10.1088/1402-4896/aa6942
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2017SI07      Acta Phys.Pol. B48, 331 (2017)

M.Siciliano, J.J.Valiente-Dobon, A.Goasduff, D.Bazzacco, N.Alahari, G.Benzoni, T.Braunroth, N.Cieplicka, F.C.L.Crespi, E.Clement, G.De France, M.Doncel, S.Erturk, C.Fransen, A.Gadea, G.Georgiev, A.Goldkuhle, U.Jakobsson, G.Jaworski, P.R.John, I.Kuti, A.Lemasson, A.Lopez-Martens, H.Li, S.Lunardi, T.Marchi, D.Mengoni, C.Michelagnoli, T.Mijatovic, C.Muller-Gatermann, D.R.Napoli, J.Nyberg, M.Palacz, R.M.Perez-Vidal, M.Rejmund, B.Saygi, D.Sohler, S.Szilner, D.Testov

Study of Quadrupole Correlations in N=Z=50 Region via Lifetime Measurements

NUCLEAR REACTIONS 92Mo(106Cd, x), E=770 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using AGATA γ-ray array with VAMOS++ spectrometer ; deduced Doppler-corrected γ-ray spectrum for 108Sn, γ transitions.

doi: 10.5506/APhysPolB.48.331
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2016BI02      Phys.Rev. C 93, 034324 (2016)

S.Biswas, R.Palit, A.Navin, M.Rejmund, A.Bisoi, M.S.Sarkar, S.Sarkar, S.Bhattacharyya, D.C.Biswas, M.Caamano, M.P.Carpenter, D.Choudhury, E.Clement, L.S.Danu, O.Delaune, F.Farget, G.de France, S.S.Hota, B.Jacquot, A.Lemasson, S.Mukhopadhyay, V.Nanal, R.G.Pillay, S.Saha, J.Sethi, P.Singh, P.C.Srivastava, S.K.Tandel

Structure of 13252Te80: The two-particle and two-hole spectrum of 13250Sn82

NUCLEAR REACTIONS 232Th(7Li, F)132Te, E=5.4 MeV/nucleon; 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γγ(t), (fragment)γ-, (fragment)γγ-coin, γγ(θ) using INGA array at TIFR-BARC Pelletron LINAC facility for (7Li, F) reaction, and EXOGAM-VAMOS++ system at GANIL for (238U, F) reaction. 132Te; deduced high-spin levels, J, π, multipolarity, configurations, proton and neutron wavefunction amplitudes, p-n correlations at high spin. Comparison with shell-model calculations using jj55pna and modified jj55pna interactions. Systematics of positive-parity level energies in 122,124,126,128,130,132,134,136Te.

NUCLEAR STRUCTURE 132Te; calculated levels, J, π, proton and neutron wavefunction amplitudes, decomposition of the total angular momentum of positive- and negative-parity states using shell model jj55pna and modified jj55pna interactions. Comparison with experimental values. 132Te, 130Sn; 130Te, 128Sn; 128Te, 126Sn; deduced energy differences between the experimental and calculated energy levels of positive-parity as a function of spin, with calculations using shell model.

doi: 10.1103/PhysRevC.93.034324
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2016KO15      Phys.Rev.Lett. 116, 122502 (2016)

K.Kolos, D.Miller, R.Grzywacz, H.Iwasaki, M.Al-Shudifat, D.Bazin, C.R.Bingham, T.Braunroth, G.Cerizza, A.Gade, A.Lemasson, S.N.Liddick, M.Madurga, C.Morse, M.Portillo, M.M.Rajabali, F.Recchia, L.L.Riedinger, P.Voss, W.B.Walters, D.Weisshaar, K.Whitmore, K.Wimmer, J.A.Tostevin

Direct Lifetime Measurements of the Excited States in 72Ni

NUCLEAR REACTIONS 9Be(73Cu, p)72Ni, E=102MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, lifetimes, B(E2) values. Comparison with nuclear shell model calculations.

doi: 10.1103/PhysRevLett.116.122502
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2016LO10      Phys.Rev. C 94, 024340 (2016)

C.Loelius, H.Iwasaki, B.A.Brown, M.Honma, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, T.Braunroth, C.M.Campbell, A.Dewald, A.Gade, N.Kobayashi, C.Langer, I.Y.Lee, A.Lemasson, E.Lunderberg, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer

Lifetime measurement of the 4+1 state of 58Ni with the recoil distance method

NUCLEAR REACTIONS 9Be(74Kr, 58Ni), E=93 MeV/nucleon, [secondary 74Kr beam from 9Be(78Kr, X), E=150 MeV/nucleon]; measured reaction products, Eγ, Iγ, (58Ni ions)γ-coin, half-life of the first 4+ state in 58Ni by recoil distance Doppler shift method using Triple Plunger for Exotic Beams (TRIPLEX) coupled with GRETINA array and the S800 spectrograph at NSCL-MSU facility. 58Ni; deduced level, B(E2) for the first 4+ state. Comparison with GXPF1A shell-model calculations, and with previous measurements.

doi: 10.1103/PhysRevC.94.024340
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2016MI05      Phys.Rev. C 93, 024318 (2016)

S.A.Milne, M.A.Bentley, E.C.Simpson, P.Dodsworth, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler

Mirrored one-nucleon knockout reactions to the TZ = ±3/2 A=53 mirror nuclei

NUCLEAR REACTIONS 9Be(54Ni, 53Ni), (54Fe, 53Mn), E=87 MeV/nucleon, [secondary 54Ni and 54Fe beams from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction]; measured Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler line-shape analysis, relative cross sections for one-neutron and one-proton knockout reactions using A1900 fragment separator, S800 spectrograph and SeGA array at NSCL-MSU. 53Ni, 53Mn; deduced levels, J, π, B(M1), B(E2), mirror-energy differences (MED) between isobaric analog states. Comparison with shell-model calculations by including a set of isovector isospin-nonconserving matrix elements.

doi: 10.1103/PhysRevC.93.024318
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2016MI17      Phys.Rev.Lett. 117, 082502 (2016)

S.A.Milne, M.A.Bentley, E.C.Simpson, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler

Isospin Symmetry at High Spin Studied via Nucleon Knockout from Isomeric States

NUCLEAR REACTIONS 9Be(53Co, n)52Co, E=77 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, relative σ, high-spin isomeric states.

doi: 10.1103/PhysRevLett.117.082502
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2016MU03      Phys.Rev. C 93, 034333 (2016)

A.Mutschler, O.Sorlin, A.Lemasson, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer

Spectroscopy of 35P using the one-proton knockout reaction

NUCLEAR REACTIONS 9Be(36S, 35P), (36S, 36P), E=88 MeV/nucleon, [secondary 36S beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, parallel momentum distributions using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 35P; deduced levels, J, π, L-transfers, spectroscopic factors. 36P; measured Eγ, parallel momentum distribution; deduced level population. 36S; deduced proton occupancies.

doi: 10.1103/PhysRevC.93.034333
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2016RE03      Phys.Lett. B 753, 86 (2016)

M.Rejmund, A.Navin, S.Biswas, A.Lemasson, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot, P.Van Isacker

Electromagnetic properties of neutron-rich nuclei adjacent to the Z = 50 shell closure

NUCLEAR REACTIONS Be(238U, X)124Sb/125Sb/126Sb/127Sb/128Sb/118In/119In/120In/121In/122In/123In/124In/125In/126In/127In/128In, E=1.29 GeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(M1)/B(E2). Comparison with NATHAN and OXBASH calculations.

doi: 10.1016/j.physletb.2015.11.077
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2016RE05      Phys.Rev. C 93, 024312 (2016)

M.Rejmund, A.Navin, S.Bhattacharyya, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot, A.Lemasson

Structural changes at large angular momentum in neutron-rich 121, 123Cd

NUCLEAR REACTIONS 9Be(238U, X), E=1.29 GeV; measured Eγ, Iγ, A- and Z-gated γ spectra, γγ-coin using EXOGAM array for γ detection and VAMOS++ magnetic spectrometer VAMOS++ for A and Z identification at GANIL facility. Final nuclei populated via transfer- and fusion-fission mechanisms. 121,123,125Cd; deduced high-spin levels, J, π, configurations. Comparison with large scale shell-model calculations using jj45pna interaction. Level systematics of 120,121,122,123,124,125Cd.

NUCLEAR STRUCTURE 121,123Cd; calculated levels, J, π using large scale shell-model with jj45pna interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.93.024312
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2015BR10      Phys.Rev. C 92, 034306 (2015)

T.Braunroth, A.Dewald, H.Iwasaki, S.M.Lenzi, M.Albers, V.M.Bader, T.Baugher, T.Baumann, D.Bazin, J.S.Berryman, C.Fransen, A.Gade, T.Ginter, A.Gottardo, M.Hackstein, J.Jolie, A.Lemasson, J.Litzinger, S.Lunardi, T.Marchi, V.Modamio, C.Morse, D.R.Napoli, A.Nichols, F.Recchia, S.R.Stroberg, R.Wadsworth, D.Weisshaar, K.Whitmore, K.Wimmer

Reduced transition strengths of low-lying yrast states in chromium isotopes in the vicinity of N=40

NUCLEAR REACTIONS 9Be(59Mn, 58Cr), E=92.1 MeV/nucleon; 9Be(61Mn, 60Cr), E=91.9 MeV/nucleon; 9Be(63Mn, 62Cr), E=98 MeV/nucleon, [secondary 59,61,63Mn beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured Eγ, Iγ, beam-like recoil particle spectra and yields, (particle)γ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using S800 spectrograph and SeGA array. 58,60,62Cr; deduced levels, J, π, B(E2), intrinsic quadrupole moments Q0 and deformation parameter β2. Comparison with calculations using shell-model with LNPS interactions, realistic shell-model, and IBM-2. Systematics of energies and B(E2) for first 2+ states in N=22-52, Ti, Cr, Fe, Ni, Se and Kr nuclei. Systematics of ratios of energies and B(E2) values for first 2+, 4+ and 6+ states in 52,54,56,58,60,62Cr, and E(5) limit.

doi: 10.1103/PhysRevC.92.034306
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2015CA21      Phys.Rev. C 92, 034606 (2015)

M.Caamano, F.Farget, O.Delaune, K.-H.Schmidt, C.Schmitt, L.Audouin, C.-O.Bacri, J.Benlliure, E.Casarejos, X.Derkx, B.Fernandez-Dominguez, L.Gaudefroy, C.Golabek, B.Jurado, A.Lemasson, D.Ramos, C.Rodriguez-Tajes, T.Roger, A.Shrivastava

Characterization of the scission point from fission-fragment velocities

RADIOACTIVITY 240Pu(SF)[from 12C(238U, 10Be), E=6.1 MeV/nucleon]; 250Cf(SF)[from 12C(238U, X)250Cf*, E=6.1 MeV/nucleon]; measured fragment spectra using VAMOS spectrometer at GANIL; deduced velocity of fission fragments with Z=34-62 as a function of the neutron number of the fragment (N=45-100), average fragment velocity, average neutron excess of fragments, neutron multiplicity and total neutron evaporation multiplicity, total kinetic energy of fission fragments, total excitation energy at scission, post-neutron evaporation normalized yields, average difference between the ground states of the fissioning system and the fragments, and minimum energy released in neutron evaporation as functions of the fragment atomic number. Modeling of the fission process through correlated observables.

doi: 10.1103/PhysRevC.92.034606
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2015FA14      Eur.Phys.J. A 51, 175 (2015)

F.Farget, M.Caamano, D.Ramos, C.Rodriguez-Tajes, K.-H.Schmidt, L.Audouin, J.Benlliure, E.Casarejos, E.Clement, D.Cortina, O.Delaune, X.Derkx, A.Dijon, D.Dore, B.Fernandez-Dominguez, L.Gaudefroy, C.Golabek, A.Heinz, B.Jurado, A.Lemasson, C.Paradela, T.Roger, M.D.Salsac, C.Schmitt

Transfer-induced fission in inverse kinematics: Impact on experimental and evaluated nuclear data bases

doi: 10.1140/epja/i2015-15175-y
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2015HE22      Phys.Rev. C 92, 024315 (2015)

T.W.Henry, M.A.Bentley, R.M.Clark, P.J.Davies, V.M.Bader, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, A.M.Bruce, C.M.Campbell, H.L.Crawford, M.Cromaz, P.Fallon, A.Gade, J.Henderson, H.Iwasaki, D.G.Jenkins, I.Y.Lee, A.Lemasson, S.M.Lenzi, A.O.Macchiavelli, D.R.Napoli, A.J.Nichols, S.Paschalis, M.Petri, F.Recchia, J.Rissanen, E.C.Simpson, S.R.Stroberg, R.Wadsworth, D.Weisshaar, A.Wiens, C.Walz

Triplet energy differences and the low lying structure of 62Ga

NUCLEAR REACTIONS 9Be(64Ga, 62Ga), (65Ge, 62Ga), E not given, [secondary 64Ga and 65Ge beams extracted using A1900 separator from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, 62Ga particle spectra, (62Ga)γ-, γγ-coin using Gamma-Ray Energy Tracking In-Beam Nuclear Array (GRETINA) for γ rays and S800 spectrograph and cathode readout drift chambers for particles at NSCL-MSU facility. 62Ga; deduced levels populated by 2n and 1p2n knockout reactions, J, π, isospin using triplet energy differences (TED) as guide. Comparison with shell-model predictions of low lying T=0 and T=1 states using ANTOINE and LNPS interactions. Cross section calculations for the knockout process.

COMPILATION A=22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 74; reviewed systematics of triplet energy differences (TED) for the known T=1, 2+ states.

doi: 10.1103/PhysRevC.92.024315
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2015LE17      Phys.Rev. C 92, 054309 (2015)

A.Lepailleur, K.Wimmer, A.Mutschler, O.Sorlin, J.C.Thomas, V.Bader, C.Bancroft, D.Barofsky, B.Bastin, T.Baugher, D.Bazin, V.Bildstein, C.Borcea, R.Borcea, B.A.Brown, L.Caceres, A.Gade, L.Gaudefroy, S.Grevy, G.F.Grinyer, H.Iwasaki, E.Khan, T.Kroll, C.Langer, A.Lemasson, O.Llidoo, J.Lloyd, E.Lunderberg, F.Negoita, F.de Oliveira Santos, G.Perdikakis, F.Recchia, T.Redpath, T.Roger, F.Rotaru, S.Saenz, M.-G.Saint-Laurent, D.Smalley, D.Sohler, M.Stanoiu, S.R.Stroberg, M.Vandebrouck, D.Weisshaar, A.Westerberg

Spectroscopy of 28Na: Shell evolution toward the drip line

NUCLEAR REACTIONS 9Be(36S, X)22N/24O, 26F/27Ne/28Ne/29Na/30Na, E=77.6 MeV/nucleon; measured production yields using LISE spectrometer at GANIL. 9Be(31Mg, 28Na), (32Mg, 28Na), E=95 MeV/nucleon, [secondary 31,32Mg beams from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU; measured Eγ, Iγ, (28Na)γ-, γγ-coin, level half-life using S800 spectrograph for 28Na and GRETINA array for γ detection. 28Na; deduced levels, J, π, multipolarity. Comparison with shell-model calculations using WBA-M and USDA interactions. Systematics of binding energies for 26F, 28Na, 30Al. 25O, 26F, 27Ne; calculated levels, J, π using shell-model with WBA-M interaction.

RADIOACTIVITY 28Ne(β-)[from 9Be(36S, X), E=77.6 MeV/nucleon at GANIL]; measured Eγ, Iγ, Eβ, βγ-coin, half-life of 28Ne activity using EXOGAM array for γ detection. 28Na; deduced levels, J, π, β feedings, logft. Comparison with shell model using the USDA interaction. 27,28Al, 27,28Mg, 28Si; observed γ rays from β decay of contaminants.

doi: 10.1103/PhysRevC.92.054309
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2015NI01      Phys.Rev. C 91, 014319 (2015)

A.J.Nichols, R.Wadsworth, M.A.Bentley, P.J.Davies, J.Henderson, D.G.Jenkins, I.Paterson, H.Iwasaki, A.Lemasson, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, A.Gade, C.Morse, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer, G.de Angelis, A.Dewald, T.Braunroth, C.Fransen, M.Hackstein, D.Miller

Spectroscopy and lifetime measurements in 66Ge, 69Se, and 65Ga using fragmentation reactions

NUCLEAR REACTIONS 9Be(70Se, 66Ge), (70Se, 69Se), (70Se, 65Ga), (69As, 65Ga), E not given, [secondary 70Se and 69As beams from 9Be(78Kr, X), E=150 MeV/nucleon fragmentation reaction]; measured Eγ, Iγ, level half-lives by γ line-shape method at NSCL-MSU Coupled Cyclotron facility. 65Ga, 66Ge, 69Se; deduced levels, J, π, B(M1), B(E2). Comparison with shell-model calculations using GXPF1A interaction in the fp model space.

doi: 10.1103/PhysRevC.91.014319
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2015SM03      Phys.Rev. C 92, 064314 (2015)

D.Smalley, H.Iwasaki, P.Navratil, R.Roth, J.Langhammer, V.M.Bader, D.Bazin, J.S.Berryman, C.M.Campbell, J.Dohet-Eraly, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, J.Parker, S.Quaglioni, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer

Lifetime measurements of 17C excited states and three-body and continuum effects

NUCLEAR REACTIONS 9Be(18C, 17C), E=74.2 MeV/nucleon, [secondary 18C beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured one-neutron knockout reaction products, Eγ, Iγ, (particle)γ-coin using GRETINA array for γ rays, and S800 spectrograph for particles, level half-lives using RDM method and a plunger device. 17C; deduced levels, J, π, B(M1). Comparison with importance-truncated no-core shell model (IT-NCSM), and importance-truncated no-core shell model with continuum (IT-NCSMC) calculations.

doi: 10.1103/PhysRevC.92.064314
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2015ST06      Phys.Rev. C 91, 041302 (2015)

S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, T.Otsuka, F.Recchia, C.Walz, D.Weisshaar, S.Williams

Neutron single-particle strength in silicon isotopes: Constraining the driving forces of shell evolution

NUCLEAR REACTIONS 9Be(36Si, 35Si), E=100 MeV/nucleon; 9Be(38Si, 37Si), E=95 MeV/nucleon; 9Be(40Si, 39Si), E=85 MeV/nucleon, [secondary 36,38,40Si beams from fragmentation of 48Ca]; measured Eγ, Iγ, γγ-coin using GRETINA array at NSCL-MSU facility; deduced momentum distributions and partial cross sections of the residual nuclei following one-neutron knockout reactions. 35,37,39Si; deduced levels, intruder states, J, π, half-life of a level in 39Si. Comparison with shell-model calculations with SDPF-U and SDPF-MU interactions.

doi: 10.1103/PhysRevC.91.041302
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2015WA28      Phys.Rev. C 92, 034317 (2015); Erratum Phys.Rev. C 109, 029902 (2024)

E.H.Wang, A.Lemasson, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.M.Eldridge, A.Navin, M.Rejmund, S.Bhattacharyya, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, H.L.Liu, H.Zhou, Y.X.Liu, H.J.Li, Y.Sun, F.R.Xu, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot

Identification of new transitions and mass assignments of levels in 143-153Pr

NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, (fission fragment)γ-, γγ-coin using VAMOS++ spectrometer and EXOGAM array at GANIL. 143,144,145,146,147,148,149,150,151,152,153Pr; deduced levels, J, π, bands. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.92.034317
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2015WH02      Phys.Rev. C 91, 041303 (2015)

K.Whitmore, D.Smalley, H.Iwasaki, T.Suzuki, V.M.Bader, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, T.Otsuka, J.Parker, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Wimmer

Magnetic response of the halo nucleus 19C studied via lifetime measurement

NUCLEAR REACTIONS 9Be, Ta(20N, 19C), E=74 MeV/nucleon, [secondary 20N beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction]; measured reaction products using A1900 separator, Eγ, Iγ, (particle)γ-, γγ-coin, half-life of the first excited state from line-shape and recoil-distance methods using GRETINA array at NSCL-MSU facility. 19C; deduced levels, J, π, B(M1), configuration. One-neutron halo nucleus populated in one-proton knockout reaction. Comparison with shell-model calculations using several different interactions.

doi: 10.1103/PhysRevC.91.041303
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2014IW01      Phys.Rev.Lett. 112, 142502 (2014)

H.Iwasaki, A.Lemasson, C.Morse, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer

Evolution of Collectivity in 72Kr: Evidence for Rapid Shape Transition

NUCLEAR REACTIONS 9Be(74Kr, 74Kr'), (74Kr, 72Kr'), E<150 MeV/nucleon; measured reaction products, Eγ, Iγ. 72,74Kr; deduced energy levels, B(E2) values. Comparison with theoretical calculations, available data.

doi: 10.1103/PhysRevLett.112.142502
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2014LA16      Phys.Rev.Lett. 113, 032502 (2014)

C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.H.Cyburt, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers

Determining the rp-Process Flow through 56Ni: Resonances in 57Cu(p, γ)58Zn identified with GRETINA

NUCLEAR REACTIONS 2H(57Cu, n), E=75 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance energies, J, π, reaction rates. Shell model calculations, GXPF1A interaction.

doi: 10.1103/PhysRevLett.113.032502
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2014MO26      Phys.Rev. C 90, 034310 (2014)

C.Morse, H.Iwasaki, A.Lemasson, T.Baugher, D.Bazin, J.S.Berryman, A.Dewald, C.Fransen, A.Gade, S.McDaniel, A.J.Nichols, A.Ratkiewicz, S.R.Stroberg, P.Voss, R.Wadsworth, D.Weisshaar, K.Wimmer, R.Winkler

Lifetime measurements of the yrast 8+ and 9+ states in 70As

NUCLEAR REACTIONS 9Be(78Rb, 70As), E=101.6 MeV/nucleon, [secondary 78Rb beam from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Doppler corrected Eγ, Iγ, γγ-, (70As)γ-coin, level half-lives by line-shape analysis using A1900 fragment separator, S-800 spectrometer, and SeGA array at NSCL-MSU facility. 70As; deduced levels, J, π, B(E1), B(M1), configuration. Comparison of B(M1) values for 66Ga, 70As, 74Br, 78Rb and 82Y with predictions of particle-vibration coupling model.

doi: 10.1103/PhysRevC.90.034310
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2014NI09      Phys.Lett. B 733, 52 (2014)

A.J.Nichols, R.Wadsworth, H.Iwasaki, K.Kaneko, A.Lemasson, G.de Angelis, V.M.Bader, T.Baugher, D.Bazin, M.A.Bentley, J.S.Berryman, T.Braunroth, P.J.Davies, A.Dewald, C.Fransen, A.Gade, M.Hackstein, J.Henderson, D.G.Jenkins, D.Miller, C.Morse, I.Paterson, E.C.Simpson, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer

Collectivity in A ∼ 70 nuclei studied via lifetime measurements in 70Br and 68, 70Se

NUCLEAR REACTIONS 9Be(71Br, 70Br'), (70Se, 68Se'), (70Se, 70Se'), E < 150 MeV/nucleon; measured reaction products, Eγ, Iγ. 70Br, 68,70Se; deduced energy levels, J, π, B(Eλ). Comparison with shell model calculations using GXPF1 nuclear interaction, available data.

doi: 10.1016/j.physletb.2014.04.016
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2014ST18      Phys.Rev. C 90, 034301 (2014)

S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, F.Recchia, C.Walz, D.Weisshaar, S.J.Williams

Single-particle structure of silicon isotopes approaching 42Si

NUCLEAR REACTIONS 9Be(36Si, 35Si), (36Si, 35Al), E=97.7 MeV/nucleon; 9Be(38Si, 37Si), (38Si, 37Al), E=86 MeV/nucleon; 9Be(40Si, 39Si), (40Si, 39Al), E=79 MeV/nucleon, [secondary beams of 36,38,40Si produced in 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Doppler-shifted γ-ray spectra, Eγ, Iγ, γγ-, (residue)γ-coin, (36Si)γ-coin using GRETINA array for γ detection and ionization chamber and plastic scintillators in the focal plane of S800 spectrograph at NSCL-MSU facility. 35,37,39Al, 35,37,39Si; deduced levels, J, π, parallel momentum distributions, l-values. 36,38,40Si; one-neutron and one-proton total and partial knockout σ, single-particle structure, and enhanced collectivity in the region of 42Si. Eikonal model analysis of parallel momentum distributions. Comparison with large-scale shell model calculations.

NUCLEAR STRUCTURE 35,37,39Al, 35,37,39Si; calculated levels, J, π using large-scale shell model with SDPF-U and SDPF-MU interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.034301
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2013CA16      Phys.Rev. C 88, 024605 (2013); Erratum Phys.Rev. C 89, 069903 (2014)

M.Caamano, O.Delaune, F.Farget, X.Derkx, K.-H.Schmidt, L.Audouin, C.-O.Bacri, G.Barreau, J.Benlliure, E.Casarejos, A.Chbihi, B.Fernandez-Dominguez, L.Gaudefroy, C.Golabek, B.Jurado, A.Lemasson, A.Navin, M.Rejmund, T.Roger, A.Shrivastava, C.Schmitt

Isotopic yield distributions of transfer- and fusion-induced fission from 238U+12C reactions in inverse kinematics

NUCLEAR REACTIONS 12C(238U, F)240Pu/241Pu/250Cf*, E=6.1 MeV/nucleon; measured particle and γ spectra, (fragment)γ-coin, energy loss, time-of-flight, yields and angular distributions of fragments of Z=30-64, A=80-160 from fission of 250Cf, 240,241Pu using SPIDER, VAMOS, and EXOGAM detector systems at GANIL facility. Inverse kinematics and multi-nucleon transfer-induced fission. 110Ru, 144Ce; deduced levels from (fragment)γ coin spectra. Z=30, A=70-82, 85; Z=31, A=70-85; Z=32, A=71-87; Z=33, A=73-89; Z=34, A=73, 75-90; Z=35, A=79-93; Z=36, A=81-96; Z=37, A=83-99; Z=38, A=86-102; Z=39, A=88-105; Z=40, A=90-107; Z=41, A=93-110; Z=42, A=95-113; Z=43, A=97-115; Z=44, A=100-118; Z=45, A=102-120; Z=46, A=104-122; Z=47, A=107-126; Z=48, A=109-127; Z=49, A=112-131; Z=50, A=114-133; Z=51, A=116-135; Z=52, A=118-138; Z=53, A=122-141; Z=54, A=123-143; Z=55, A=126-146; Z=56, A=130-148; Z=57, A=131-150; Z=58, A=134-152; Z=59, A=137-153; Z=60, A=139-156; Z=61, A=142-158; Z=62, A=144-159; Z=63, A=149-160; Z=64, A=151-159; measured yields from fission of compound nucleus 250Cf. Z=34, A=82-88; Z=35, A=85-92; Z=36, A=85-94; Z=37, A=87-97; Z=38, A=90-101; Z=39, A=91-102; Z=40, A=94-106; Z=41, A=95-109; Z=42, A=98-111; Z=43, A=101-112; Z=44, A=104-114; Z=45, A=105-114; Z=46, A=110-116; Z=47, A=114-119; Z=48, A=115, 118-122; Z=49, A=122-130; Z=50, A=125-134, 136; Z=51, A=125-137; Z=52, A=129-139; Z=53, A=128-140; Z=54, A=130-144; Z=55, A=133-145; Z=56, A=134-145; Z=57, A=138-149; Z=58, A=142-151; Z=59, A=145-152; Z=60, A=148-154; measured yields from fission of multi-nucleon transfer induced nuclei 240,241Pu.

doi: 10.1103/PhysRevC.88.024605
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2013DA08      Phys.Rev.Lett. 111, 072501 (2013)

P.J.Davies, M.A.Bentley, T.W.Henry, E.C.Simpson, A.Gade, S.M.Lenzi, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, C.Aa.Diget, H.Iwasaki, A.Lemasson, S.McDaniel, D.R.Napoli, A.Ratkiewicz, L.Scruton, A.Shore, R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler

Mirror Energy Differences at Large Isospin Studied through Direct Two-Nucleon Knockout

NUCLEAR REACTIONS 9Be(54Ni, 2n), (53Co, 2n), E=87 MeV/nucleon; measured reaction products, Eγ, Iγ. 52Ni, 51Co; deduced level energies, J, π, isobaric analogue states; calculated relative σ for nonyrast and yrast states. Comparison with experimental data.

doi: 10.1103/PhysRevLett.111.072501
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2013SH01      Phys.Lett. B 718, 931 (2013)

A.Shrivastava, A.Navin, A.Diaz-Torres, V.Nanal, K.Ramachandran, M.Rejmund, S.Bhattacharyya, A.Chatterjee, S.Kailas, A.Lemasson, R.Palit, V.V.Parkar, R.G.Pillay, P.C.Rout, Y.Sawant

Role of the cluster structure of 7Li in the dynamics of fragment capture

NUCLEAR REACTIONS 198Pt(7Li, α), (7Li, t), (7Li, d), (7Li, p), E=45 MeV; measured reaction products, Eγ, Iγ; deduced σ, two-step process. Comparison with PLATYPUS calculations.

doi: 10.1016/j.physletb.2012.11.064
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2012DI20      J.Phys.:Conf.Ser. 381, 012119 (2012)

C.A.Diget, T.Baugher, D.Bazin, M.A.Bentley, J S.Berryman, J.R.Brown, K.A.Chipps, P.J.Davies, B.R.Fulton, A.Gade, H.Iwasaki, A.M.Laird, A.Lemasson, S.McDaniel, A.Ratkiewicz, L.Scruton, A.Shore, S.R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler

Electron capture in core-collapse supernovae investigated through configuration mixing in neutron-rich nuclei

doi: 10.1088/1742-6596/381/1/012119
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2012LE05      Phys.Rev. C 85, 041303 (2012)

A.Lemasson, H.Iwasaki, C.Morse, D.Bazin, T.Baugher, J.S.Berryman, A.Dewald, C.Fransen, A.Gade, S.McDaniel, A.Nichols, A.Ratkiewicz, S.Stroberg, P.Voss, R.Wadsworth, D.Weisshaar, K.Wimmer, R.Winkler

Observation of mutually enhanced collectivity in self-conjugate 7638SR38

NUCLEAR REACTIONS 9Be(76Rb, 76Sr), E=104.5 MeV/nucleon; 9Be (78Rb, 78Sr), E=101.6 MeV/nucleon; measured time-of-flight and energy loss for outgoing particles, Eγ, Iγ, γγ-coin using SeGA array at NSCL, MSU facility, half-lives of first 2+ states by line-shape method. 76,78Rb secondary beams from 9Be(78Kr, X), E=140 MeV/nucleon primary beam. 76,78Sr; deduced levels, J, π, yrast bands, B(E2), deformation parameter. Systematics of energies and B(E2) values for first 2+ states in Z=30-40 and N=34-46 even-even nuclei. Comparison of B(E2) values with predictions from the CHFB+5DCH calculations.

doi: 10.1103/PhysRevC.85.041303
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2011LE03      Phys.Lett. B 697, 454 (2011)

A.Lemasson, A.Navin, M.Rejmund, N.Keeley, V.Zelevinsky, S.Bhattacharyya, A.Shrivastava, D.Bazin, D.Beaumel, Y.Blumenfeld, A.Chatterjee, D.Gupta, G.de France, B.Jacquot, M.Labiche, R.Lemmon, V.Nanal, J.Nyberg, R.G.Pillay, R.Raabe, K.Ramachandran, J.A.Scarpaci, C.Schmitt, C.Simenel, I.Stefan, C.N.Timis

Pair and single neutron transfer with Borromean 8He

NUCLEAR REACTIONS 197Au(8He, X)199Au, 65Cu(8He, X), E=19.9 MeV; measured reaction products, Eγ, Iγ; deduced 2n-transfer σ, model-independent ratio of 2n to 1n transfer reactions, absence of 67Cu nuclei.

doi: 10.1016/j.physletb.2011.02.038
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2010LE19      Phys.Rev. C 82, 044617 (2010)

A.Lemasson, A.Navin, N.Keeley, M.Rejmund, S.Bhattacharyya, A.Shrivastava, D.Bazin, D.Beaumel, Y.Blumenfeld, A.Chatterjee, D.Gupta, G.de France, B.Jacquot, M.Labiche, R.Lemmon, V.Nanal, J.Nyberg, R.G.Pillay, R.Raabe, K.Ramachandran, J.A.Scarpaci, C.Simenel, I.Stefan, C.N.Timis

Reactions with the double-Borromean nucleus 8He

NUCLEAR REACTIONS 65Cu(8He, X)65Cu/66Cu/67Cu/68Zn/69Zn/68Ga/69Ga/70Ga, [8He secondary beam from C(13C, X), E=75 MeV/nucleon primary reaction], E=19.9, 30.6 MeV; measured Eγ, Iγ, neutron spectra, (particle)γ-, (particle)nγ-, γγ-coin, residue σ for fusion and neutron transfer, σ(θ) for 4He, 6He and 8He using EXOGAM array and neutron wall. Coupled reaction channel calculations. CASCADE code used for statistical model calculation.

RADIOACTIVITY 8He(β-)[from 65Cu(8He, 8He), E=19.9, 30.6 MeV]; measured Eγ.

doi: 10.1103/PhysRevC.82.044617
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1869.


2009LE05      Nucl.Instrum.Methods Phys.Res. A598, 445 (2009)

A.Lemasson, A.Shrivastava, A.Navin, M.Rejmund, V.Nanal, S.Bhattacharyya, A.Chatterjee, S.Kailas, K.Mahata, V.V.Parkar, R.G.Pillay, K.Ramachandran, P.C.Rout

Absolute cross-sections from X-γ coincidence measurements

NUCLEAR REACTIONS 198Pt(6Li, X)201Tl/202Tl, E=20-45 MeV; measured Eγ, Iγ, X-ray spectra, (X-ray)γ-coin, evaporation residue cross sections.

doi: 10.1016/j.nima.2008.09.032
Citations: PlumX Metrics


2009LE29      Phys.Rev.Lett. 103, 232701 (2009)

A.Lemasson, A.Shrivastava, A.Navin, M.Rejmund, N.Keeley, V.Zelevinsky, S.Bhattacharyya, A.Chatterjee, G.de France, B.Jacquot, V.Nanal, R.G.Pillay, R.Raabe, C.Schmitt

Modern Rutherford Experiment: Tunneling of the Most Neutron-Rich Nucleus

NUCLEAR REACTIONS 197Au(8He, xn), (6He, xn), (α, xn)199Tl/200Tl/201Tl/202Tl, E=2.34, 2.51, 3.68 MeV/nucleon; measured x-rays, Eγ, Iγ; deduced σ for fusion, neutron transfer and evaporation residue.

doi: 10.1103/PhysRevLett.103.232701
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1771.


2009SH34      Phys.Rev.Lett. 103, 232702 (2009)

A.Shrivastava, A.Navin, A.Lemasson, K.Ramachandran, V.Nanal, M.Rejmund, K.Hagino, T.Ichikawa, S.Bhattacharyya, A.Chatterjee, S.Kailas, K.Mahata, V.V.Parkar, R.G.Pillay, P.C.Rout

Exploring Fusion at Extreme Sub-Barrier Energies with Weakly Bound Nuclei

NUCLEAR REACTIONS 198Pt(6Li, xn)199Tl/200Tl/201Tl/202Tl, E(cm)<35 MeV; measured x-rays, Eγ, Iγ; deduced fusion and evaporation residue excitation functions, average angular momentum and logarithmic derivatives of the fusion σ, internuclear potentials.

doi: 10.1103/PhysRevLett.103.232702
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1767.


2009SH42      Phys.Rev. C 80, 051305 (2009)

A.Shrivastava, M.Caamano, M.Rejmund, A.Navin, F.Rejmund, K.-H.Schmidt, A.Lemasson, C.Schmitt, L.Gaudefroy, K.Sieja, L.Audouin, C.O.Bacri, G.Barreau, J.Benlliure, E.Casarejos, X.Derkx, B.Fernandez-Dominguez, C.Golabek, B.Jurado, T.Roger, J.Taieb

Prompt γ-ray spectroscopy of isotopically identified fission fragments

NUCLEAR REACTIONS 12C(238U, X), E=1.45 GeV; measured Eγ, Iγ using EXOGAM array, fission fragments using VAMOS detector. 134Xe; deduced levels, J, π. 100Zr, 106,107,108,109Ru, 133Xe, 138Xe; measured Eγ. Comparison with shell model calculations for Z>49, N<83 nuclei.

doi: 10.1103/PhysRevC.80.051305
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2008CH18      Phys.Rev.Lett. 101, 032701 (2008)

A.Chatterjee, A.Navin, A.Shrivastava, S.Bhattacharyya, M.Rejmund, N.Keeley, V.Nanal, J.Nyberg, R.G.Pillay, K.Ramachandran, I.Stefan, D.Bazin, D.Beaumel, Y.Blumenfeld, G.de France, D.Gupta, M.Labiche, A.Lemasson, R.Lemmon, R.Raabe, J.A.Scarpaci, C.Simenel, C.Timis

1n and 2n Transfer With the Borromean Nucleus 6He Near the Coulomb Barrier

NUCLEAR REACTIONS 65Cu(6He, 5He), (6He, α), E=22.6 MeV; measured Eα, Iα, Eγ, Iγ, nαγ-coin, 1n, 2n transfer σ(θ). Coupled channel analysis.

doi: 10.1103/PhysRevLett.101.032701
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1668.


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